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🤣 sorry, serious face. 🤓 It's markdown. Sub puts it at the bottom and sup at the top.

lh4vqm.jpg

You probably already know this, but you just write what you want small between them. Hope that makes sense.

Honestly? I never knew...lol.
Cheers.

You don't use markdown? An example then. This:

orq0c4.jpg

Note that there is no gap between the letters and the <

translates to:

I am small!

yes i do - but I never knew that particular trick

but now I do